9. We can get into the human body through the nose. (1) get into ; 如：get into trouble 陷入麻烦 (2) ①through 从物体 穿过， 如：walk through a forest.
② across 从物体 横穿，如：go/walk across the road ③ over 从物体 越过, 如：fly over the city 10. The boy has an illness.
illness = sickness疾病（名词）， 很少表示具体的疾病，只表示抽象的疾病， disease 常表某种疾病。如：heart disease 心脏病 11. As we know, good health is more important than wealth. as we know = it is well know 意为： 12. Of course, we must also have the right kinds of food. the right kinds of food 正确种类的食物
13. We should eat more fruit and less meat. Eat more …. and less … 多吃… 少吃… 写出下列表示多少的词的比较级别
much/many 、 ；little 、 ; few 、 ; We will spend time and do work. 我们将会事半功倍 14. Different foods help us in different ways.
(1) food, fruit 等词常作不可数名词，强调多种食物或水果时用复数形式different foods. (2) in different ways 意为 15. It’s necessary for us to have healthy eating habits. 句型：It is + 形容词 + for sb. to do sth. (it代替后面的 ) 表示 (1). 当形容词可修饰人，用of，有：kind, nice, rude, clever, silly, foolish等。
(2). 当形容词不可以修饰人，用for，有：easy, hard, difficult, important, necessary, dangerous等。
It’s clever you to answer the question so quickly. It’s easy her to clean the window by herself. It’s kind you to help me a lot. It’s important us to learn English well. It’s useful us to learn English well. 四、小试身手
1. –Mom, may I have a pear? --Of course. But you wash your hands first. ( ) A. must B. may C. can
2. It’s good for the old man after supper. ( ) A. take a walk B. to take a walk C. take for a walk D. take walks 3.We must keep ourselves so that we can enjoy a better life. ( ) A. enough health B. healthy enough C. health enough D. enough healthy 4.She looked out the window and saw a butterfly flying in the flowers. ( ) A. through B. across C. in D. cross
5.The Internet it easy to get much information in a shot time. ( ) A. finds B. makes C. feels D. takes
第三课时 Topic 3 Must we do exercise to prevent the flu?
一、课前自我复习要求
1.复习课本八上Unit2，Topic3所有单词，尝试在《仁爱版八年级上期单词检测卡》上默写。 2.朗读课本八年级上册Unit 2，Topic3，重点掌握reading很grammar focus中的句型。 二、课堂复习过程 一. 词汇与短语 （一）按要求写单词:
1.head形容词 2.spread过去形式 3.body复数 4.crowd形容词 5.examine现在分词 6.healthy反义词 7.happy名词 8.quick副词 9.learn过去形式 10.report名词 11.happy反义词 12break过去形式 （二）写出下列词组
1.快点 2.和…谈话 3.开始做着手干 4.一直 5.做运动 6.远离 7.一会儿 8.远离烟酒 9.留言 10.接通 11.作报告 12.急救 13.另一方面 14.爆发、流行 15.积极参加 16.照看照顾 17.中药 18采纳…的建议 19.增进加强 20在起居室 21.从那以后 22.迷路 23.错误地 24。没权利做 二.重点语言点
1. Mom, hurry up ! Dad is on TV.
(1) ①hurry up 赶快，表催促 ②hurry to do sth. = do sth. in a hurry 匆忙地做某事 He hurried (finish)the work. = He finished the work . ③ hurry to＋某地：表匆匆地去某地，如：
He the hospital.= He went to the hospital in a hurry. (2) be on TV 某人或某事物上电视。
2. May I ask you some questions, Dr. Li ? ---- Sure, go ahead.
(1) 疑问句和否定句中,表―一些‖，常用any, 不用some. 但当此疑问句表建议或请求时 some不改成any. 如：Would you like some tea ? May I ask you some questions? (2) go ahead 请开始吧
3. SARS spreads easily among people.
(1) spread ( spread, spread ) 传播，传开 The disease spread all over the country. (2) among 表在 之间， between 在 之间，常用：between A and B 4. 短语：① 使我们的身体强健 ② 人群拥挤的地方 ③ = accept one’s advice 接受某人的建议 ( advice 不可数名词 ) 5. Must 开头提出的问句, 否定回答不用mustn’t 来回答，常见的回答如：
Must I go now? （我必须得走吗？）肯定回答：Yes, you must.（是的，你必须）； 否定回答： 或者 (不，你不必)
6. We had better keep away from animals. keep… away from… 如： You’d better the child the fire.
7. Just a moment, please = = . 请稍等 （打电话常用语） 8. He is busy right now. right now用两种意思：①现在= now ② 马上= right away; in a minute; at once; 9 He examining a patient. (1) examine = 检查 (2) patient①名词 ②形容词 10. 短语：① 和某人接通电话 ② .给某人留口信
③ = 给某人捎口信 ④ 给某人回电话 ⑤ask/tell/order sb (not) to do sth. 叫某人(不)去做某事 11. He took an active part in the battle against it. (1) take an active part in (2) against 介词， 12. He cared for the patients day and night. care for = = 照顾，照看 13. It is my duty to save the patients.
(1) 此句为动词不定式作主语，形式主语it 代替 (2) save 有3种意思：①救、挽救The little boy .小男孩得救了。 ②储存 save money ③节约：节约水/电/纸张 14. Long time no see! 好久不见
15. How did you spend your time at home ?你在家是如何度过的？ spend + 时间：表度过… I spent my holiday in Beijing 16. I taught myself on the Internet.
(1) teach oneself = 自学 Michael learned English by himself.
(2) 注意teach 的用法：teach sb. sth Mr Liu teaches （we） English. 17. must 除了表示―必须‖，还表示猜测 如：Kangkang must be at home. (一定是) mustn’t 只指 can be / may be ； can’t be 。 五、小试身手
1.—Are you afraid of SARS? --Yes, a little. ( ) A. to catch B. catch C. catches D. catching 2.If the traffic light is red, you cross the road. It’s very dangerous. ( ) A. don’t B. mustn’t C. need’t D. wouldn’t
3.—Let me help you sweep the floor. —No, I can do it by ( ) A. my B. myself C. I D. mine
4.—Must we go there by bus? --No, you . ( ) A. can’t B. mustn’t C. needn’t D. don’t
5. –May I keep the windows all the time? –No, you can’t We need fresh air!( A, open B. opening C. closed closing 总结单元复习效果：
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